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Why in a concentrated solution, a strong electrolyte shows deviations from Debye-Huckle- Onsagar equation?
Define detection limit. Does a compound with high molar absorptivity have a higher or lower limit of detection than a compound with low molar absorptivity
Calculate the molar solubility of MnS in a 0.32 M NH4Cl- 0.50 M NH3 buffer solution that is saturated with H2S ([H2S]=0.10 M). Kspa for MnS is 3*10^10.
You then take 0.1657 g of pure reagent from bottle A, dissolve it in 100.0 mL of water, and titrate it in a precipitation titration against 0.0424 M Ba2+. The volume of Ba2+ required to reach the endpoint is 22.40 mL. What is the calculated molar ..
Potassium hydrogen phthalate, has a molecular mass of 204.2 g/mole. How many moles of potassium hydrogen phthalate are in a 0.500 gram sample?
Find out the amount of heat generated by the shuttle, in kilojoules, if it is carrying 209.0 kg of methyl hydrazine in its thruster. Presume that methyl hydrazine is the limiting reactant
Write the possible polymeric structure formed between sebacoyl chloride and butane-1,4-diamine, what is the appropriate name for this polymer
A 643 mL gas sample at STP is compressed to a volume of 285 mL, and the temperature is increased to 26C. What is the new pressure of the gas in Pa? Answer in units of Pa.
A solution that contains 55.0 g of ascorbic acid (Vitamin C) in 250. g of water freezes at -2.34°C. Calculate the molar mass (in units of g/mol) of the solute. Kf of water is 1.86°C/m.
Calculate the vapor pressure of water, in torr, above a solution prepared by dissolving 60.20 g of PbCl4 in 421.0 g of water at 343.0 K. The vapor pressure of pure water at 343.0 K is 233.7 torr.
if a sample of 2.63 L of neon is collected at 730 torr and 26 degrees C, what volume will the gas occupy at 1.10 atm and 10 degrees C?
Offer an explanation for that fact that bromine adds to 2,3-dimethyl-2-butene 920,000 times faster than to ethylene, to produce the respective dibromides
How many mL of 3.00 M HCI should be added to react completely with 16.8g of Na2CO3 according to the following equation? Na2CO3(aq)+HCl(aq)=NACI(aq)+CO2(g)+H2O(l) What mass of CO2 is produced from the reaction
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